{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell line", "DNA", "protein", "RNA", "cell type"], "input": "The details of the regulatory mechanism that selects particular loci for rearrangement are still not known."}
{"cell line": [], "DNA": ["loci"], "protein": [], "RNA": [], "cell type": []}